Examples:

• I don't have enough money to stay in a hotel.
• I don't have enough money to put it on my card.
• Alistair, I don't have enough money to throw away on lawyers.
• I don't have enough money to hold the cab.
• I don't have enough money to buy our tickets.
• The problem is that I don't have enough money.
• I don't have enough money for the tip.
• I don't have enough money to buy the medicine my father needs.
• I can't buy this because I don't have enough money.
• I can't buy this because I don't have enough money.